Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instruction such as " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In description of the present utility model, " multiple " are meant that at least two, such as two, three etc., unless otherwise
It is clearly specific to limit.
In the utility model, unless otherwise clearly defined and limited, term " connected ", " connection " etc. should do broad sense reason
Solution, for example, it may be fixedly connected or be detachably connected, or integrally;Can be mechanical connection or electricity
Connection;Can be joined directly together, can also be indirectly connected by intermediary, can be two element internals connection or two
The interaction relationship of element, limited unless otherwise clear and definite.For the ordinary skill in the art, can be according to tool
Body situation understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In one side of the present utility model, the utility model proposes a kind of pulverized coal pyrolysis gasification integrated reactor.
According to embodiment of the present utility model, with reference to figure 1~2, the coal pyrolytic gasified integrated reactor includes:It is pyrolyzed the He of body of heater 100
Gasify body of heater 200.Wherein, it is pyrolyzed in body of heater 100 and defines pyrolysis chamber 110, is pyrolyzed in chamber 110 and is provided with multiple radiant tubes
120, it is pyrolyzed bottom of the top of body of heater 100 with fine coal entrance 101, pyrolysis body of heater 200 and exports 102 with semicoke, pyrolysis oven
There is syngas outlet 103, the side wall of pyrolysis body of heater 100 has the fuel inlet 104 and cigarette of connection radiant tube 120 on body 100
Gas outlet 105;Gasification chamber 210 is defined in gasification body of heater 200, there is gasification agent inlet 201 on the body of heater 200 that gasifies, gasify
The top of body of heater 200 has semicoke entrance 202, and there is lime-ash to export 203 for the bottom of gasification body of heater 200, and gasification body of heater 200 is located at
The lower section of body of heater 100 is pyrolyzed, and semicoke entrance 202 is connected with semicoke outlet 102.
Integrated reactor progress is gasified in detail according to the pulverized coal pyrolysis of the utility model embodiment below with reference to Fig. 1~2 pair
Thin description:
According to embodiment of the present utility model, it is pyrolyzed in body of heater 100 and defines pyrolysis chamber 110, be pyrolyzed in chamber 110 and set
Be equipped with multiple radiant tubes 120, be pyrolyzed the top of body of heater 100 with fine coal entrance 101, be pyrolyzed the bottom of body of heater 200 with semicoke
Outlet 102, being pyrolyzed on body of heater 100 has syngas outlet 103, and the side wall of pyrolysis body of heater 100 has the combustion of connection radiant tube 120
Expect entrance 104 and exhanst gas outlet 105, pyrolysis body of heater 100 is suitable to fine coal to be pyrolyzed being pyrolyzed in chamber 110 is pyrolyzed, with
Just semicoke is obtained.
According to embodiment of the present utility model, the width for being pyrolyzed body of heater can be 2~6m, highly can be 9~60m.
According to embodiment of the present utility model, pyrolysis can both be provided by the high-temperature synthesis gas that follow-up char Gasification obtains
Heat, heat can also be provided by radiant tube 120.According to specific embodiment of the utility model, multiple radiant tubes 120 can be with
It is in multi-tier arrangement on longitudinal direction in pyrolysis chamber 110, and interlamellar spacing can be 230~770mm between adjacent two layers, often
The spacing of two neighboring radiant tube can be 220~730mm in layer.Thus, it is possible to further improve heat in pyrolysis chamber 110
The uniformity of distribution.
According to embodiment of the present utility model, the particle diameter of fine coal is not particularly restricted, and those skilled in the art can root
Selected according to being actually needed, according to specific embodiment of the utility model, the average grain diameter of fine coal can be no more than 10mm,
Thus, it is possible to further improve pyrolysis efficiency.
According to embodiment of the present utility model, the temperature of pyrolysis is not particularly restricted, and those skilled in the art can root
Selected according to being actually needed, according to specific embodiment of the utility model, the temperature of pyrolysis can be 550~900 DEG C, by
This, can further improve pyrolysis efficiency.
According to the specific embodiment of the present invention, above-mentioned radiant tube can be the round tube of the specification of DN200~390, by
This, can further improve the uniformity of heat distribution in pyrolysis chamber.
According to embodiment of the present utility model, gasification chamber 210 is defined in the body of heater 200 that gasifies, is had on the body of heater 200 that gasifies
There is gasification agent inlet 201, the top of gasification body of heater 200 has semicoke entrance 202, and there is lime-ash to go out for the bottom of gasification body of heater 200
Mouth 203, gasification body of heater 200 is positioned at the lower section of pyrolysis body of heater 100, and semicoke entrance 202 is connected with semicoke outlet 102, gasification furnace
Body 200 is suitable to semicoke carrying out gasification reaction in gasification chamber 210, to obtain synthesis gas.Specifically, it is pyrolyzed chamber 110
The semicoke that interior pulverized coal pyrolysis obtains can be fallen under gravity into the gasification chamber 210 of gasification body of heater 200, and char Gasification
Obtained high-temperature synthesis gas can directly return in pyrolysis chamber 110, and provide heat using its sensible heat for pulverized coal pyrolysis, so as to
The energy consumption of radiant tube can be significantly reduced, and reduces the discharge of dusty gas, follow-up synthesis gas can be from pyrolysis body of heater 100
Syngas outlet 103 is discharged, and is collected storage.
According to embodiment of the present utility model, the width of gasification body of heater 200 can be 2~6m, the height for the body of heater 200 that gasifies
Can be 20~55m.
According to specific embodiment of the utility model, longitudinal center's overlapping of axles of pyrolysis body of heater 100 and the body of heater 200 that gasifies.
According to a specific embodiment of the present utility model, semicoke entrance 202 can be located at semicoke outlet 102 just under
Side, thus, it is possible to which the semicoke for effectively further making to obtain in pyrolysis chamber 110 is fallen directly into gasification chamber 210.
According to specific embodiment of the utility model, gasification agent inlet 201 is arranged on the bottom of gasification body of heater 200, synthesis
Gas outlet 103 is arranged on the top of pyrolysis body of heater 100, thus, it is possible to further improve gasification chamber 210 and pyrolysis chamber 110
In heat and mass efficiency, improve heat utilization efficiency.It should be noted that term " bottom " refers to the lower section in the middle part of gasification body of heater.
According to specific embodiment of the utility model, the temperature of gasification reaction can be 1100~1400 DEG C.Thus, it is possible to
Further improve the efficiency of gasification reaction.
According to specific embodiment of the utility model, the temperature of synthesis gas is 500~900 DEG C.Thus, it is possible to effectively utilize
The sensible heat of synthesis gas fully provides heat for pyrolysis, so as to further reduce the energy consumption of technique.
According to a specific embodiment of the present utility model, gasifying agent can include selection oxygen, air, carbon dioxide and
One or more in vapor, thus, it is possible to further improve the yield of synthesis gas.
With reference to figure 2, above-mentioned pulverized coal pyrolysis gasification integrated reactor can further include:Loading hopper 300 and enter
Expect spiral 400.
According to embodiment of the present utility model, feed auger 400 is connected with loading hopper 300 and fine coal entrance 101 respectively,
Thus, it is possible to which fine coal to be pyrolyzed is added into loading hopper 300, and pass through the supply of feed auger 400 to pyrolysis body of heater 100
It is interior, so as to further improve production efficiency.
Thus, integrated reactor is gasified by the way that fine coal to be pyrolyzed is supplied according to the pulverized coal pyrolysis of the utility model embodiment
To being pyrolyzed in the pyrolysis chamber to pyrolysis body of heater, semicoke is obtained, semicoke is fallen under gravity into the gas of gasification body of heater
Change in chamber, and gasification reaction occurs in the presence of gasifying agent, obtain synthesis gas;And then synthesis gas can directly return to pyrolysis
In chamber, heat is provided for the pyrolysis of fine coal using the sensible heat of synthesis gas, so as to significantly reduce the energy consumption of radiant tube and dirt
Gas discharge is contaminated, is discharged afterwards by the syngas outlet on pyrolysis body of heater, is collected storage.Thus, using the pulverized coal pyrolysis
Gasification integrated reactor is converted into synthesis gas by the semicoke for obtaining pulverized coal pyrolysis, and makes full use of the aobvious of synthesis gas
Heat carries out pulverized coal pyrolysis, so as to significantly improve heat utilization efficiency, and obtains synthesis gas product, and what solution semicoke was difficult by asks
Topic.
In order to facilitate understanding, integration of gasifying below with reference to Fig. 3 to the pulverized coal pyrolysis using the utility model embodiment is anti-
The method of device processing fine coal is answered to be described in detail.According to embodiment of the present utility model, this method includes:
S100:Pyrolysis
In the step, fine coal is delivered in pyrolysis oven body, and is pyrolyzed in pyrolysis chamber, to obtain semicoke.
According to embodiment of the present utility model, the width for being pyrolyzed body of heater can be 2~6m, highly can be 9~60m.
According to embodiment of the present utility model, pyrolysis can both be provided by the high-temperature synthesis gas that follow-up char Gasification obtains
Heat, heat can also be provided by radiant tube.According to specific embodiment of the utility model, multiple radiant tubes can be pyrolyzed
It is in multi-tier arrangement on longitudinal direction in chamber, and interlamellar spacing can be 230~770mm between adjacent two layers, it is adjacent in every layer
The spacing of two radiant tubes can be 220~730mm.Thus, it is possible to further improve pyrolysis chamber in heat distribution it is uniform
Degree.
According to embodiment of the present utility model, the particle diameter of fine coal is not particularly restricted, and those skilled in the art can root
Selected according to being actually needed, according to specific embodiment of the utility model, the average grain diameter of fine coal can be no more than 10mm,
Thus, it is possible to further improve pyrolysis efficiency.
According to embodiment of the present utility model, the temperature of pyrolysis is not particularly restricted, and those skilled in the art can root
Selected according to being actually needed, according to specific embodiment of the utility model, the temperature of pyrolysis can be 550~900 DEG C, by
This, can further improve pyrolysis efficiency.
According to the specific embodiment of the present invention, above-mentioned radiant tube can be the round tube of the specification of DN200~390, by
This, can further improve the uniformity of heat distribution in pyrolysis chamber.
S200:Gasification
In the step, semicoke is set to fall under gravity into gasification body of heater, and in gasification chamber in the presence of gasifying agent
Generation gasification reaction, to obtain synthesis gas.
According to embodiment of the present utility model, the width for the body of heater that gasifies can be 2~6m, and the height for the body of heater that gasifies can be
20~55m.
According to specific embodiment of the utility model, longitudinal center's overlapping of axles of pyrolysis body of heater and the body of heater that gasifies.
According to a specific embodiment of the present utility model, semicoke entrance can be located at the underface of semicoke outlet, thus,
The semicoke that effectively further can make to obtain in pyrolysis chamber is fallen directly into gasification chamber.
According to specific embodiment of the utility model, gasification agent inlet is arranged on the bottom of gasification body of heater, syngas outlet
The top of pyrolysis body of heater is arranged on, thus, it is possible to further improve gasification chamber and the heat and mass efficiency being pyrolyzed in chamber, is carried
High heat utilization efficiency.It should be noted that term " bottom " refers to the lower section in the middle part of gasification body of heater.
According to specific embodiment of the utility model, the temperature of gasification reaction can be 1100~1400 DEG C.Thus, it is possible to
Further improve the efficiency of gasification reaction.
According to specific embodiment of the utility model, the temperature of synthesis gas is 500~900 DEG C.Thus, it is possible to effectively utilize
The sensible heat of synthesis gas fully provides heat for pyrolysis, so as to further reduce the energy consumption of technique.
According to a specific embodiment of the present utility model, gasifying agent can include selection oxygen, air, carbon dioxide and
One or more in vapor, thus, it is possible to further improve the yield of synthesis gas.
S300:Collect synthesis gas
According to embodiment of the present utility model, heat is provided for pyrolysis by making synthesis gas enter pyrolysis chamber by gasification chamber
Discharged after amount, the energy consumption of radiant tube can be significantly reduced, and reduce the discharge of dusty gas.
Thus, according to the method for the processing fine coal of the utility model embodiment by the way that fine coal to be pyrolyzed is supplied to pyrolysis oven
It is pyrolyzed in the pyrolysis chamber of body, obtains semicoke, semicoke is fallen under gravity into the gasification chamber of gasification body of heater, and
Gasification reaction occurs in the presence of gasifying agent, obtains synthesis gas;And then synthesis gas can be returned directly in pyrolysis chamber, utilized
The sensible heat of synthesis gas provides heat for the pyrolysis of fine coal, so as to significantly reduce the energy consumption of radiant tube and dusty gas discharge,
Discharged afterwards by the syngas outlet on pyrolysis body of heater, be collected storage.Thus, this method is by the way that pulverized coal pyrolysis obtained
Semicoke is converted into synthesis gas, and makes full use of the sensible heat of synthesis gas to carry out pulverized coal pyrolysis, so as to significantly improve heat utilization
Rate, and synthesis gas product is obtained, solve the problems, such as that semicoke is difficult by.
Below with reference to specific embodiment, the utility model is described, it is necessary to which explanation is, these embodiments are only
Descriptive, without limiting the utility model in any way.